Mistress of Debts

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
Sacrifice Mistress of Debts: Until end of turn, if you would gain life, you instead lose twice that much life and draw that many cards.
If you would draw a card while Mistress of Debts has a +1/+1 counter on it, you may skip that draw. I